Home / 52,060.31-78,090.46-12,617.42

Finding the Fourth Proportional to 52,060.31, 78,090.46 and 12,617.42

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Solution

The fourth proportional to 52,060.31, 78,090.46 and 12,617.42 is: 18,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.31 : 78,090.46 = 12,617.42 : x
  2. Step 2: Convert to fraction form
    52,060.31/78,090.46 = 12,617.42/x
  3. Step 3: Cross multiply
    52,060.31x = 78,090.46 × 12,617.42
  4. Step 4: Simplify right side
    52,060.31x = 985,300,100.27
  5. Step 5: Solve for x
    x = 985,300,100.27/52,060.31
  6. Step 6: Final answer
    x = 18,926.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.